ARP 5/16in x 18 - .725in UHL 12pt SS Bolt Kit (5/pkg)

ARP 5/16" x 18 - .725" UHL 12-Point Stainless Steel Bolt Kit (5/pkg) High-performance, precision-engineered fasteners from ARP designed for demanding automotive and motorsport applications. This 5-piece kit includes 5/16"-18 thread, .725" length, ultra-high load (UHL) 12-point stainless steel bolts for superior strength and corrosion resistance. Size: 5/16" x 18 TPI Length: .725" (measured from under head to end) Head type: 12-point for high torque capability and precise seating Material: Stainless steel for excellent corrosion resistance Package quantity: 5 bolts Series: UHL (Ultra High Load) — engineered for increased clamping and fatigue strength Ideal for cylinder heads, intake manifolds, and other critical connections where reliable clamping and long-term durability matter. ARP bolts are manufactured to tight tolerances and finished for consistent fitment and performance. Why choose ARP UHL bolts: enhanced load capacity, precision threads, and long-lasting corrosion protection—trusted by professional builders and enthusiasts alike.